Hi my buddy has a hot water boiler and water is coming out of the relief valve.Expansion tank has 12p.s.i.boiler is building up to much pressure this is the second relief valve.any ideas. On Kefid by (mod) - Danie Residential boilers use an expansion tank that normally is filled with partly water and partly air. You should not release airRead More
Similar to a double boiler for cooking, hot water can be added to a separate vessel with the vessel used to collect your oil resting inside of it. Because ethanol and butane are volatile at higher temperatures, the increased heat from the hot water vessel will allow some of the solvent to evaporate from the cannabis or hemp oil extract.Read More
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